Edward jenner discovered a vaccination against by infecting a boy with
measles; smallpox
cowpox; smallpox
polio; cowpox
smallpox; cowpox

Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.

Just try to give them some space. don’t cut them off completely or else they could become jealous, just give them some space and time to think. hope this .

Try tylenol or see a professional